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Prevent generation of negative tokens (see Issue #5)

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This commit is contained in:
Fedor A. Fetisov 2013-09-24 14:44:04 +04:00
parent 5a93a16303
commit da1a171fbc
1 changed files with 8 additions and 1 deletions
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9
src/messenger/webim/libs/chat.php
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@ -40,7 +40,14 @@ $kind_to_string = array($kind_user => "user", $kind_agent => "agent", $kind_for_
function next_token()
{
return function_exists('openssl_random_pseudo_bytes') ? hexdec(bin2hex(openssl_random_pseudo_bytes(4))) : mt_rand(99999, 99999999);
if (function_exists('openssl_random_pseudo_bytes')) {
$token_arr = unpack('N', "\x0" . openssl_random_pseudo_bytes(3));
$token = $token_arr[1];
}
else {
$token = mt_rand(99999, 99999999);
}
return $token;
}
function next_revision($link)